With pain in her right ear, Sue Cassidy went to a clinic. The doctor, wearing a white lab coat with a stethoscope in one pocket, introduced herself. “Hi. I’m Dr. Patti McCarver, and I’m your nurse,” she said. And with that, Dr. McCarver stuck a scope in Ms. Cassidy’s ear, noticed a buildup of fluid and prescribed an allergy medicine. It was something that will become increasingly routine for patients: someone who is not a physician using the title of doctor.
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